togglebutton: Remove unneeded code
togglebutton: Remove unneeded code

The state is completely handled by gtkbutton.c so no need to do anything
in the togglebutton.

Lyude/gtk-,ahodesuka/gtk,Adamovskiy/gtk,Lyude/gtk-,jigpu/gtk,davidgumberg/gtk,alexlarsson/gtk,jessevdk/gtk,alexlarsson/gtk,jadahl/gtk,davidgumberg/gtk,jigpu/gtk,davidgumberg/gtk,alexlarsson/gtk,alexlarsson/gtk,jadahl/gtk,ahodesuka/gtk,alexlarsson/gtk,jessevdk/gtk,jadahl/gtk,jessevdk/gtk,grubersjoe/adwaita,ahodesuka/gtk,chergert/gtk,jigpu/gtk,chergert/gtk,Adamovskiy/gtk,davidgumberg/gtk,ahodesuka/gtk,davidgumberg/gtk,davidgumberg/gtk,jigpu/gtk,ahodesuka/gtk,jadahl/gtk,Lyude/gtk-,chergert/gtk,davidgumberg/gtk,grubersjoe/adwaita,grubersjoe/adwaita,jadahl/gtk,Adamovskiy/gtk,chergert/gtk,grubersjoe/adwaita,chergert/gtk,alexlarsson/gtk,ahodesuka/gtk,alexlarsson/gtk,grubersjoe/adwaita,Adamovskiy/gtk,chergert/gtk,grubersjoe/adwaita,jessevdk/gtk,jigpu/gtk,Lyude/gtk-,jadahl/gtk,jessevdk/gtk,Adamovskiy/gtk,jigpu/gtk,alexlarsson/gtk,Adamovskiy/gtk,jigpu/gtk,Adamovskiy/gtk,jessevdk/gtk,jigpu/gtk,Lyude/gtk-,Lyude/gtk-,Lyude/gtk-,chergert/gtk,Adamovskiy/gtk,davidgumberg/gtk,grubersjoe/adwaita,jadahl/gtk,jadahl/gtk,Lyude/gtk-,grubersjoe/adwaita,chergert/gtk,ahodesuka/gtk,ahodesuka/gtk,jessevdk/gtk